US Bridges

SR 20 over Puget Snd @ Pt Townsend

Good

Jefferson County, Washington · 12.0 E JCT US 101 · Structure no. 0018254A0000000

Built
2013
12 years old
Condition
Good
inspected June 2023
Type
Movable - Lift
Steel
Length
106 ft
1 main span
Daily traffic
1,800
2010 count
Owner
State
State Highway Agency

About this bridge

SR 20 over Puget Snd @ Pt Townsend is a steel movable - lift carrying SR 20 over Puget Snd @ Pt Townsend in Jefferson County, Washington. It was built in 2013, so it is 12 years old, younger than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,800 vehicles a day, roughly 2% of them trucks, projected to reach 1,850 by 2033. The structure is 106 ft (32.3 m) long and 24 ft wide.

CarriesSR 20
CrossesPuget Snd @ Pt Townsend
Location12.0 E JCT US 101
RouteState Highway 20
Coordinates48.11136, -122.75925
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating48.2 US tons

Structure

Structure typeMovable - Lift
MaterialSteel
DeckSteel plate
Main spans1
Design loadHL 93
Structure length106 ft (32.3 m)
Longest span75 ft (22.9 m)
Deck width24 ft (7.3 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2010)
Projected traffic1,850 by 2033
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollToll bridge
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 20 over Puget Snd @ Pt Townsend built?

It was built in 2013, making it 12 years old in 2025.

What condition is SR 20 over Puget Snd @ Pt Townsend in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does SR 20 over Puget Snd @ Pt Townsend carry?

About 1,800 vehicles per day (2010 count), of which roughly 2% are trucks.

How long is SR 20 over Puget Snd @ Pt Townsend?

The structure is 106 ft (32.3 m) long with a longest span of 75 ft (22.9 m) and a deck 24 ft wide.

Who owns SR 20 over Puget Snd @ Pt Townsend?

It is owned by the State Highway Agency.